...Polyether Polyol for Rigid foam for insulation Sucrose base, Sobitol base & base Description: Rigid series Polyether Polyol for Rigid foam ar...
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... polyurethanes for various coatings. The reaction typically yields water-soluble polyester resins with a high acid value, which can be neutralized ...
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...: antibiotics, sugar solution, Tripterygium wilfordii, Astragalus and other Chinese herbs; Intermediates such as methyl imidazole and mononitrile a...
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...Agent Introduction: Alkyl trimethyl ammonium salt type cationic surfactants are by reacting higher fatty with methyl chloride in th...
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.... WQ-109 is a solid alkali-soluble acrylic resin with medium molecular weight. or other basic substances can be used as neutralizing agents....
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... from alkylphenol and sulfurating agents through sulfurization reaction and refining treatment. It is a thiophenol-type high-efficiency ant...
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... Hydrochloride is commonly used as an intermediate in organic synthesis, especially for the of other cyclopentyl derivatives and functi...
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...-based Epoxy Curing Agent YD-5909K YD-5909K is a water-based epoxy hardener modified with cyclic . The paint film with YD-5909K exhi...
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